Window curtain air bags
:
are deployed:
R
on the side on which an impact occurs
R
at the start of an accident with a high rate
of lateral vehicle deceleration or
acceleration, e.g. in a side impact
R
regardless of whether the front-passenger
seat is occupied
R
independently of seat belt use
R
if the vehicle overturns and the system
determines that window curtain air bag
deployment can offer additional protection
to that provided by the seat belt
R
independently of the front air bags
Window curtain air bags
:
will not deploy in
impacts with deceleration rates which do not
exceed the system's preset deployment
thresholds for vehicle deceleration or
acceleration. You will then be protected by
the fastened seat belt.
Occupant Classification System
(OCS)
How the Occupant Classification
System works
The Occupant Classification System (OCS)
categorizes the occupant on the front-
passenger seat by means of a weight sensor.
The front-passenger front air bag is
deactivated automatically for certain weight
categories. The
42
indicator
lamp shows you the current status. If the
42
indicator lamp is illuminated,
the front-passenger front air bag is
deactivated.
The system does not deactivate:
R
the side impact air bag
R
the window curtain air bag
R
the Emergency Tensioning Devices
To be classified correctly, the front passenger
must sit:
R
with the seat belt fastened correctly
R
in a position that is as upright as possible
with their back against the seat backrest
R
with their feet on the floor
If the front-passenger's weight is transferred
to another object in the vehicle (e.g. by
leaning on armrests), OCS may not be able to
approximate the occupant's weight category.
If the front-passenger seat, the seat cover or
the seat cushion are damaged, have the
necessary repair work carried out at an
authorized Mercedes-Benz Center.
For safety reasons, Mercedes-Benz
recommends that you only use seat
accessories that have been approved by
Mercedes-Benz.
Both the driver and the passenger should
always use the
42
indicator
lamp as an indication of whether or not the
passenger is properly positioned.
G
WARNING
If the
42
indicator lamp lights up
when an adult or someone larger than a small
individual is in the front-passenger seat, have
the front passenger reposition himself or
herself in the seat until the
42
indicator lamp goes out.
In the event of a collision, the air bag control
unit will not allow front-passenger front air
bag deployment when the OCS has classified
the front-passenger seat occupant as
weighing as much as or less than a typical 12-
month-old child in a standard child restraint
or if the front-passenger seat is classified as
being empty.
When the OCS senses that the front-
passenger seat occupant is classified as
being up to or less than the weight of a typical
12-month-old child in a standard child
restraint, the
42
indicator lamp
will illuminate when the engine is started and
remain illuminated, indicating that the front-
passenger front air bag is deactivated.
54
Occupant safety
Safety
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